Linux

Converting crt to PEM

Byetzion 04/10/2006

Took two steps:

openssl x509 -in input.crt -out input.der -outform DER

openssl x509 -in input.der -inform DER -out output.pem -outform PEM

Linux

Rapid-guide – Updating RedHat initrd
Byetzion 05/12/2009

Warning: This is not the recommended method if you’re not sure you know what you’re doing. Linux Initial Ram Disk (initrd) is a mechanism to perform disk-independent actions before attempting to mount the ‘/’ disk. These actions usually include loading disk drivers, setting up LVM or software RAID, etc. The reason these actions are performed within initrd…

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General Hardware | Linux

How to Create an IPMI User Using Linux CLI, A Step-by-Step guide
Byetzion 02/05/202302/05/2023

A common tool in use when needing a console access to a remote server is the IPMI. There are multiple names and implementations – HPE’s ILO, Dell’s iDrac, Lenovo IMM, and so on. This interface can be configured – both network settings and user access credentials, when having a BIOS access, however – a question…

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Clusters | Linux | Oracle

cluvfy fails with user equivalence
Byetzion 11/09/201911/09/2019

I came across a Linux host (RHEL6.2) which I was not the one managing before, which required adding a node in Oracle 11.2 Grid Infrastructure. According the common documentations, as can be seen here, after cloning the host (or installing it correctly, according to Oracle requirements), you should run ‘cluvfy’ on the existing cluster node….

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Disk Storage | Linux

Easy Guide to Using AutoFS to Connect to Windows CIFS Shares
Byetzion 11/04/202311/04/2023

AutoFS is a powerful tool that allows for mount-on-demand functionality in Linux, reducing the chances of any negative effects when rebooting Windows running file services. In this article, we will focus on how to correctly connect AutoFS to a Windows share, without covering advanced features such as dynamic maps or special cases with different mappings….

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Disk Storage | Linux | Virtualization

XenServer – increase LVM over iSCSI LUN size – online
Byetzion 04/09/2013

The following procedure was tested by me, and was found to be working. The version of the XenServer I am using in this particular case is 6.1, however, I belive that this method is generic enough so that it could work for every version of XS, assuming you’re using iSCSI and LVM (aka – not…

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bash | Disk Storage | Linux | Scripting/Programming

An excellent alternative to ‘rsync’ for backups to cloud
Byetzion 23/02/202323/02/2023

I have been using NextCloud for a long while now. It is a smart solution, and although I do not like its agent (I’ve had many problems with it around Hebrew file names on multiple types of operating systems, which never matured enough for a full bug description and details) – for an easy access…

Read More An excellent alternative to ‘rsync’ for backups to cloud

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